Annex 7 to AVC-598R

Action items for the study of network adaptation

1. Clock recovery

	1.1	video source clock recovery method
	1.2	audio source clock recovery method
	1.3	transmission clock recovery method

2. Multimedia multiplexing and synchronization - H.22X

	2.1	analysis of service requirements
	2.2	use of (PES), PS or TS in H.22X
	2.3	appropriate AAL for audiovisual terminals; 4 alternatives
	2.4	delay budget
	2.5	alignment between packet and cell boundary
	2.6	pipelining
	2.7	error strategy; detection and/or correction
	2.8	identification and implementation of H.22X specific functions
	2.9	assignment of media identification; by use of Program and elementary Stream 		Descriptors?
	
3. TS packets delivery over ATM

	3.1	appropriate AAL; 4 alternatives
	3.2	ATM cell jitter; quantification of jitter, jitter removal by AAL

4. AAL Type 1 

	4.1	cell loss correction in AAL Type 1
	4.2	use of "closed form (double buffer)" for cell interleaving?

END